feat: enable backup

.gitignore

@@ -5,6 +5,7 @@ root/.vim/.netrwhist
 root/.vim/plugged
 root/.vim/doc/tags
 root/.vim/doc/tags-cn
+root/.vim/backup
 root/.vim/coc
 root/.vim/gadgets
 root/.vim/.viminfo

.vimrc

@@ -73,9 +73,33 @@ if has('autocmd') " vim-tiny does not have autocmd
 	set magic "模式匹配时 ^ $ . * ~ [] 具有特殊含义
 	set lazyredraw " 不要在宏的中间重绘屏幕。使它们更快完成。
 	set dictionary+=/usr/share/dict/american-english
-	set nobackup       "no backup files
-	set nowritebackup  "only in case you don't want a backup file while editing
-	set noswapfile     "no swap files
+	" NOTE: persistent_undo在文件丢失后无法恢复历史，所以开启backup
+	set nobackup
+	set nowritebackup
+	if has('nvim')
+		let s:backup_dir = "~/.vim/backup/nvim"
+	else
+		let s:backup_dir = "~/.vim/backup/vim"
+	endif
+	function BackupFile()
+		" 获取当前文件的大小（单位：字节）
+		let l:filesize = getfsize(expand('%:p'))
+		" 设置大小阈值为5MB
+		let l:maxsize = 5 * 1024 * 1024
+		if l:filesize > l:maxsize
+			return
+		endif
+		if !exists("b:backup_dir")
+			let b:backup_dir = expand(s:backup_dir) . expand("%:p:h")
+			if !isdirectory(b:backup_dir)
+				call mkdir(b:backup_dir, "p", 0700)
+			endif
+		endif
+		call system('cp ' . expand('%:p') . ' ' . b:backup_dir . '/' . expand('%:t') . strftime("~~%Y-%m%d-%X") .. '.bak')
+	endfunction
+	autocmd BufWritePost * call BackupFile()
+	set swapfile
+	set updatecount=100
 	" 会话不保存options, 防止重新set background=dark后，覆盖一些highlight设置
 	if v:version >= 802 || has('nvim')
 		set sessionoptions=curdir,globals,localoptions,resize,tabpages,terminal,winpos,winsize
@@ -154,6 +178,23 @@ if has('autocmd') " vim-tiny does not have autocmd
 		" https://vi.stackexchange.com/questions/13091/autocmd-event-for-autoread
 		autocmd FileChangedShellPost * echohl WarningMsg | echo "File changed on disk. Buffer reloaded." | echohl Noneau FocusGained,BufEnter * checktime
 	endif
+
+	" Enable persistent undo so that undo history persists across vim sessions
+	" NOTE: persistent_undo在文件丢失后无法恢复历史，需要开启backup
+	if has("persistent_undo")
+		if has('nvim')
+			let target_path = expand('~/.vim/undodir/nvim')
+		else
+			let target_path = expand('~/.vim/undodir/vim')
+		endif
+		" create the directory and any parent directories
+		" if the location does not exist.
+		if !isdirectory(target_path)
+			call mkdir(target_path, "p", 0700)
+		endif
+		let &undodir=target_path
+		set undofile
+	endif
 	"""""""""""""""""""""""""""""""
 	if has("patch-8.1.0360")
 		set diffopt=vertical,filler,context:3,indent-heuristic,algorithm:patience,internal

root/.vim/autoload/plug.vim

@@ -2281,7 +2281,10 @@ endfunction
 
 function! s:with_cd(cmd, dir, ...)
   let script = a:0 > 0 ? a:1 : 1
-  return printf('cd%s %s && %s', s:is_win ? ' /d' : '', plug#shellescape(a:dir, {'script': script}), a:cmd)
+  let pwsh = s:is_powershell(&shell)
+  let cd = s:is_win && !pwsh ? 'cd /d' : 'cd'
+  let sep = pwsh ? ';' : '&&'
+  return printf('%s %s %s %s', cd, plug#shellescape(a:dir, {'script': script, 'shell': &shell}), sep, a:cmd)
 endfunction
 
 function! s:system(cmd, ...)

root/.vim/coc-settings.json

@@ -59,10 +59,12 @@
   "Lua.format.enable": false,
   "ltex.enabled": false,
   "python.pythonPath": "/bin/python3",
+  "python.formatting.provider": "black",
   "python.linting.mypyEnabled": false,
   "python.linting.pylintEnabled": true,
   "pyright.enable": true,
   "pyright.testing.provider": "unittest",
+  "basedpyright.enable": false,
   "rust-analyzer.enable": true,
   "rust-analyzer.cargo.autoreload": true,
   "rust-analyzer.procMacro.enable": true,

root/.vim/doc/c-cpp-cuda.txt

@@ -5,7 +5,7 @@ vim:ft=help
 LLVM Toolchains
 
 --------------------------------------------------------------------------------------
-Clangd
+Clangd ~
 
 *clangd*
 
@@ -24,22 +24,24 @@ See: https://www.reddit.com/r/neovim/comments/vj0e16/how_to_specify_location_of_
 <
 同时clangd启动命令添加`--compile-commands-dir=build/release`
 
-NOTE
+Clangd 配置 ~
+
 clangd无法解析OpenMP pragma https://github.com/clangd/clangd/issues/1640
 暂时的解决方案：在`.clangd`文件中添加
->
-CompileFlags:
-  Remove: [-fopenmp]
+>yaml
+    CompileFlags:
+      Remove: [-fopenmp]
 <
 clangd还没实现outgoing calls in call hierarchy https://github.com/llvm/llvm-project/pull/77556
 
 clangd omp.h not found ~
 
 locate /omp.h 找到omp.h文件位置，然后在`.clangd`文件中添加
-
-CompileFlags:
-  Add:
-    - -isystem/usr/lib/gcc/x86_64-linux-gnu/13/include/
+>yaml
+    CompileFlags:
+      Add:
+        - -isystem/usr/lib/gcc/x86_64-linux-gnu/13/include/
+<
 
 clangd / |ccls| 找不到c++系统头文件解决方法 ~
 
@@ -56,13 +58,27 @@ https://stackoverflow.com/questions/74785927/clangd-doesnt-recognize-standard-he
 >
 	ls /usr/include/c++
 <
+clang: In included file: use of undeclared identifier '__builtin_ia32_prefetch' 解决方法 ~
+
+由于编译器未启用特定的处理器架构或指令集支持所致。这个内建函数是用于 x86
+平台的特定指令。如果没有正确设置目标架构，编译器可能无法识别这些内建函数。
+
+方法一：添加编译选项
+>yaml
+    CompileFlags:
+      Add: [-march=x86-64]
+<
 
+方法二：添加头文件
+>cpp
+    #include <xmmintrin.h>
+<
 --------------------------------------------------------------------------------------
 
 *clang-format* `:%!clang-format` or `:'<,'>!clang-format`.
 No need of `Plug 'rhysd/vim-clang-format'`
 
-*clang-tidy* 
+*clang-tidy*
 output to quickfix list: >
   :CExprsys clang-tidy hello.cpp
 <
@@ -125,6 +141,10 @@ Ninja:
 	cmake --trace --trace-expand ..
 <
 
+CMake导出compile_commands.json ~
+>bash
+    cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON ..
+<
 --------------------------------------------------------------------------------------
 
 *CPM.cmake* https://github.com/cpm-cmake/CPM.cmake
@@ -189,7 +209,7 @@ https://apt.llvm.org/
 	wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -
 <
 
-------------------------------------------------------------------------------------
+====================================================================================
 *cuda*
 
 CUDA 安装: https://developer.nvidia.com/cuda-toolkit-archive
@@ -211,6 +231,13 @@ gpustat: `pip install gpustat`
 【工具篇】如何优雅地监控显卡(GPU)使用情况？ - 聚丙烯酰胺的文章 - 知乎 https://zhuanlan.zhihu.com/p/577533593
 
 ------------------------------------------------------------------------------------
+Failed to initialize NVML: Driver/library version mismatch NVML library version: 535.183
+
+原因：kernel mod 的 Nvidia driver 的版本没有更新
+解决方法：重启服务器
+
+https://comzyh.com/blog/archives/967/
+====================================================================================
 *glibc*
 
 查看glibc版本

root/.vim/doc/command-line-tool.txt

@@ -47,6 +47,7 @@ Ubuntu22.04下均可通过apt安装
 
 命令行补全目录: .local/share/bash-completion/completions
 
+*rename-command*
 批量重命名: rename。rename有两个版本，
 一种版本支持's/foo/bar/g'替换模式 (Ubuntu 23.10)，
 另一种版本不支持。